Marlins Roster & Staff
Transactions
| Date | Transaction |
| 04/30/24 | Miami Marlins signed free agent LHP Ian Medina to a minor league contract. |
| 04/30/24 | Miami Marlins sent LHP Kent Emanuel outright to Jacksonville Jumbo Shrimp. |
| 04/29/24 | Miami Marlins sent RHP Kyle Tyler outright to Jacksonville Jumbo Shrimp. |
| 04/28/24 | Miami Marlins placed RF Avisaíl García on the 10-day injured list. Left hamstring strain. |
| 04/28/24 | Miami Marlins designated LHP Kent Emanuel for assignment. |
| 04/28/24 | Miami Marlins recalled OF Dane Myers from Jacksonville Jumbo Shrimp. |
| 04/28/24 | Miami Marlins selected the contract of RHP Emmanuel Ramirez from Jacksonville Jumbo Shrimp. |
| 04/27/24 | Miami Marlins designated RHP Kyle Tyler for assignment. |
| 04/27/24 | Miami Marlins activated LHP Kent Emanuel. |
| 04/27/24 | Miami Marlins selected the contract of LHP Kent Emanuel from Jacksonville Jumbo Shrimp. |
| 04/26/24 | RHP Huascar Brazoban roster status changed by Miami Marlins. |
| 04/26/24 | Miami Marlins reassigned RHP Huascar Brazoban to the minor leagues. |
| 04/26/24 | Miami Marlins placed LHP Jesús Luzardo on the 15-day injured list retroactive to April 23, 2024. Left elbow tightness. |
| 04/26/24 | Miami Marlins recalled RHP Anthony Maldonado from Jacksonville Jumbo Shrimp. |
| 04/25/24 | Miami Marlins activated RHP Huascar Brazoban from the restricted list. |
| 04/24/24 | Miami Marlins activated C Christian Bethancourt from the 10-day injured list. |
| 04/24/24 | Miami Marlins optioned C Jhonny Pereda to Jacksonville Jumbo Shrimp. |
| 04/21/24 | Miami Marlins sent RHP JT Chargois on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 04/21/24 | Miami Marlins sent RHP JT Chargois on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 04/21/24 | Miami Marlins designated RHP Kyle Tyler for assignment. |
| 04/21/24 | Miami Marlins optioned RHP Roddery Muñoz to Jacksonville Jumbo Shrimp. |
| 04/20/24 | Miami Marlins placed LHP A.J. Puk on the 15-day injured list. Left shoulder fatigue. |
| 04/20/24 | Miami Marlins placed LHP Josh Simpson on the 60-day injured list. Left elbow ulnar neuritis. |
| 04/20/24 | Miami Marlins selected the contract of RHP Kyle Tyler from Jacksonville Jumbo Shrimp. |
| 04/20/24 | Miami Marlins recalled RHP Roddery Muñoz from Jacksonville Jumbo Shrimp. |
| 04/19/24 | Miami Marlins sent C Christian Bethancourt on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 04/17/24 | Miami Marlins recalled RHP Declan Cronin from Jacksonville Jumbo Shrimp. |
| 04/17/24 | Miami Marlins optioned RHP George Soriano to Jacksonville Jumbo Shrimp. |
| 04/15/24 | Miami Marlins activated RHP Edward Cabrera from the 15-day injured list. |
| 04/15/24 | Miami Marlins placed C Christian Bethancourt on the 10-day injured list retroactive to April 14, 2024. Viral illness. |
| 04/15/24 | Miami Marlins placed 3B Jake Burger on the 10-day injured list. Left intercostal muscle strain. |
| 04/15/24 | Miami Marlins selected the contract of C Jhonny Pereda from Jacksonville Jumbo Shrimp. |
| 04/15/24 | Miami Marlins sent RHP Matt Andriese outright to Jacksonville Jumbo Shrimp. |
| 04/15/24 | Miami Marlins optioned RHP Max Meyer to Jacksonville Jumbo Shrimp. |
| 04/15/24 | Miami Marlins recalled SS Otto Lopez from Jacksonville Jumbo Shrimp. |
| 04/14/24 | Miami Marlins reassigned RHP Max Meyer to the minor leagues. |
| 04/13/24 | Miami Marlins designated RHP Matt Andriese for assignment. |
| 04/13/24 | Miami Marlins recalled RHP Calvin Faucher from Jacksonville Jumbo Shrimp. |
| 04/07/24 | Miami Marlins sent LHP Braxton Garrett on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 04/07/24 | Miami Marlins sent LHP Braxton Garrett on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 04/06/24 | RHP Valente Bellozo roster status changed by Miami Marlins. |
| 04/06/24 | Miami Marlins sent LHP Josh Simpson on a rehab assignment to Jupiter Hammerheads. |
| 04/06/24 | Miami Marlins traded SS Jacob Amaya to Houston Astros for RHP Valente Bellozo and cash. |
| 04/06/24 | Miami Marlins traded SS Jacob Amaya to Houston Astros for RHP Valente Bellozo and cash. |
| 04/06/24 | Miami Marlins sent LHP Kent Emanuel outright to Jacksonville Jumbo Shrimp. |
| 04/05/24 | Milwaukee Brewers claimed RHP Vladimir Gutierrez off waivers from Miami Marlins. |
| 04/04/24 | Miami Marlins transferred RHP Eury Pérez from the 15-day injured list to the 60-day injured list. Right elbow inflammation. |
| 04/04/24 | Miami Marlins designated LHP Kent Emanuel for assignment. |
| 04/04/24 | Miami Marlins claimed SS Otto Lopez off waivers from San Francisco Giants. |
| 04/04/24 | Miami Marlins optioned 3B Jonah Bride to Jacksonville Jumbo Shrimp. |
| 04/04/24 | Miami Marlins optioned SS Otto Lopez to Jacksonville Jumbo Shrimp. |
| 04/04/24 | Miami Marlins selected the contract of RHP Matt Andriese from Jacksonville Jumbo Shrimp. |
| 04/04/24 | Miami Marlins recalled 3B Emmanuel Rivera from Jacksonville Jumbo Shrimp. |
| 04/02/24 | Arizona Diamondbacks traded 3B Emmanuel Rivera to Miami Marlins for cash. |
| 04/01/24 | Miami Marlins designated RHP Vladimir Gutierrez for assignment. |
| 04/01/24 | Miami Marlins selected the contract of LHP Kent Emanuel from Jacksonville Jumbo Shrimp. |